Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
I see TCP retransmission and no ACK what could be the issue and how to fix it
Resolved! %HSRP-4-DIFFVIP1
Hi All,I am getting this error message continuously in our dist, however the configurations are fine. %HSRP-4-DIFFVIP1: Vlan12 Grp 1 active routers virtual IP address 10.230.148.193 is different to the locally configured address 10.230.134.129
Can someone with access to a 9200CX-8UXG-2X please give me a list of its interface names, or tell me where I can find this myself?I don't have access to one right now. I'm in the process of planning an extension of our network, and would very much li...
Hello, I'm trying to apply some policy maps on a 9300 stack on version 17.12.04 of IOS for shaping DOT1X traffic. As it is right now, every port (interface GigabitEthernet1/0/1) have their own authentication commands: authentication priority dot1x m...
Hello,I am a network engineer that is highly visually dependent in order to understand how things work and has of course chosen the field with the most non-visual work: networking.I think in drawings. I understand in drawings. Draw me something and t...
HiI have a problem with my cisco switch (catalyst 2960-x / 48FPD-L) after reinstalling a last version IOS on it, all the POE+ ports are not working and even detecting any POE devices. although I set up all ports on CLI to give auto power in line, sti...
Resolved! can i configure same ip on stack switch
i have 2 cisco 9300 in stack as a core switch so i want to make redundent up link so uplink has 2 fortinet firewall swi1's gig1/0/1 connected to fw1's lan (192.168.1.1/29) and sw1's gig2/0/1 connected to fw2's lan so both firewall configured in ha so...
i have 5 svi on my switch and switch is accessble over all svi ip i want to set a single svi for mgmtcan anyone guide please
Hi guys can you tell me how can i reserve ip for client dhcp pool is catalyst 9300 which also a core switch
Specifically the NEXUS 9504 or closest 9500 variant.STEP, IGES, pretty much any 3d file format is acceptable.I've had fantastic success in the past with other manufacturers, reaching out to sales to get through to engineering departments but Cisco i...
Resolved! Nexus ARP Broadcast issue
We have ESXI host with four NIC cards each, two of the NICs are connected to our Nexus N9K-C93180YC-FX3-01 and the other two are connected to N9K-C93180YC-FX3-02 operating in Layer 2 mode. The interface configuration on these interfaces is just switc...
I have the following configuration on a Catalyst 3650 smart switch:Primary VLAN 101Community Secondary VLANs 201, 202, 203, 204VTP mode transparentIGMP snooping globally off (although I have tried globally enabling snooping as well as enabling on eac...
Resolved! mixed stacking C9300
Hello friends I have a question, can I do stacking between 9300-48t-a and 9300-24s-a? If that is possible, then I understand that they must have the same licensing level, but I could do a stack between 9300-48t-a and 9300-24s-e. I saw some Advantage ...
Hello, since a few weeks, we are notice a lot of timeouts in our network. We figured out that there are unplanned reboots in our stack. This is what the stack is logging: We are using the stack in a ring-topology in hybrid-mode with the firmware 2.5....
Hello Cisco Community,I'm currently facing a communication issue with my network setup involving three Cisco IE-9300 series switches. Here's a brief overview of my configuration:Switch A: Configured as a Layer 2 switch for LAN-A.Switch B: Configured ...
